Unique phase transition in As-Cast FeAl-Based material

The as-cast ternary material produces an equiaxed microstructure which is modified significantly through thermal annealing. The DSC measurements reveal a metastable transition in the 679-793 deg c temperature range. Kinetics analysis shows that the transition is thermally activated with an activatio...

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Bibliographic Details
Published in:Scripta materialia 1999-02, Vol.40 (6), p.711-715
Main Authors: Jordan, A.D, Uwakweh, O.N.C, Maziasz, P.J, Porter, W.D
Format: Article
Language:English
Subjects:
Applied sciences
Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals. Metallurgy
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
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Summary:The as-cast ternary material produces an equiaxed microstructure which is modified significantly through thermal annealing. The DSC measurements reveal a metastable transition in the 679-793 deg c temperature range. Kinetics analysis shows that the transition is thermally activated with an activation energy of 89 kJ/mole. XRD results reflect the structural changes of the material in its as-cast and annealed states.
ISSN:1359-6462
1872-8456
DOI:10.1016/S1359-6462(98)00487-4